I have been researching and promoting the use of Semantic Web and Linked Data technology in culture since my PhD studies at Paris-Sorbonne and the Institut National de l’Audiovisuel. I have especially worked on the representation and interoperability of collections and their vocabularies. Now I am involved in efforts to enrich quality of cultural metadata, especially with AI, and make it better work in multilingual environments. I have served in related W3C efforts, for example on SKOS, Library Linked Data, Data on the Web Best Practices, Data Exchange. I co-chair the Technical Working Group of the RightsStatements.org initiative and the Discovery Technical Specification Group at the International Image Interoperability Framework (IIIF).